Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-12-14
1994-01-04
Dentz, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546118, C07D47104
Patent
active
052761533
ABSTRACT:
Compounds of general formula I; ##STR1## wherein: A.sup.1 is .dbd.N--, .dbd.CH-- or .dbd.CR.sup.1 --;
A.sup.2 is .dbd.N--, .dbd.CH-- or .dbd.CR.sup.2 --;
provided that, when one of A.sup.1 and A.sup.2 is a nitrogen atom, the other of A.sup.1 and A.sup.2 is other than a nitrogen atom; wherein the rest of the variables are defined in the specification;
and their pharmaceutically and veterinarily acceptable acid addition salts and hydrates are antagonists of platelet activating factor (PAF) and as such are useful in the treatment or amelioration of various diseases or disorders mediated by PAF.
REFERENCES:
patent: 4804658 (1989-02-01), Manley et al.
patent: 4914108 (1990-04-01), Khanna et al.
patent: 5157026 (1992-10-01), Chakravarty et al.
Miller Andrew
Whittaker Mark
British Bio-technology Limited
Dentz Bernard
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